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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CC_OUTPUT_OVERLAY_CANDIDATE_H_ | |
| 6 #define CC_OUTPUT_OVERLAY_CANDIDATE_H_ | |
| 7 | |
| 8 #include <vector> | |
| 9 | |
| 10 #include "cc/resources/resource_format.h" | |
| 11 #include "ui/gfx/geometry/rect.h" | |
| 12 #include "ui/gfx/overlay_transform.h" | |
| 13 #include "ui/gfx/transform.h" | |
| 14 | |
| 15 namespace cc { | |
| 16 | |
| 17 class OverlayCandidate { | |
| 18 public: | |
| 19 static gfx::OverlayTransform GetOverlayTransform( | |
| 20 const gfx::Transform& quad_transform, | |
| 21 bool flipped); | |
| 22 // Apply transform |delta| to |in| and return the resulting transform, | |
| 23 // or OVERLAY_TRANSFORM_INVALID. | |
| 24 static gfx::OverlayTransform ModifyTransform(gfx::OverlayTransform in, | |
| 25 gfx::OverlayTransform delta); | |
| 26 static gfx::Rect GetOverlayRect(const gfx::Transform& quad_transform, | |
| 27 const gfx::Rect& rect); | |
| 28 | |
| 29 OverlayCandidate(); | |
| 30 ~OverlayCandidate(); | |
| 31 | |
| 32 // Transformation to apply to layer during composition. | |
| 33 gfx::OverlayTransform transform; | |
| 34 // Format of the buffer to composite. | |
| 35 ResourceFormat format; | |
| 36 // Rect on the display to position the overlay to. | |
| 37 gfx::Rect display_rect; | |
| 38 // Crop within the buffer to be placed inside |display_rect|. | |
| 39 gfx::RectF uv_rect; | |
| 40 // Texture resource to present in an overlay. | |
| 41 unsigned resource_id; | |
| 42 // Stacking order of the overlay plane relative to the main surface, | |
| 43 // which is 0. Signed to allow for "underlays". | |
| 44 int plane_z_order; | |
| 45 | |
| 46 // To be modified by the implementer if this candidate can go into | |
| 47 // an overlay. | |
| 48 bool overlay_handled; | |
| 49 }; | |
| 50 | |
| 51 typedef std::vector<OverlayCandidate> OverlayCandidateList; | |
| 52 | |
| 53 } // namespace cc | |
| 54 | |
| 55 #endif // CC_OUTPUT_OVERLAY_CANDIDATE_H_ | |
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